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3m
Vermont Castings Jefferson Vent Free Gas Heater
Fuel NG LP
Manifold Pressure Min./Max. 1.7”/3.5” 5.4”/11.0” (RP)
4.4”/10.0” (MP)
Min. Inlet Supply Pressure for adjustment: 5.5”w.c. 11.0”w.c.
Max. Inlet Supply Pressure for adjustment: 14.0”w.c. 14.0”w.c.
Min. Output, BTU/hr:
JUVSR 20,000 21,000
JUVSM 18.500 18.500
Max. Output, BTU/hr: 28,000 28,000
Ignition: Piezo
Firebox Weight/shipping: 110 lbs.
JUVS Specifications
28¹⁄₂"
(724mm)
24"
(610mm)
3" (76mm)
14¹⁄₂"
(368mm)
C
L
8"
(203mm)
Valve
Inlet
3447
Fig. 1 Jefferson Vent Free dimensions.
Jefferson Vent Free Gas Heater Models JUVSRN, JUVSRP, JUVSMN, JUVSMP
This appliance may be installed in an aftermarket*
manufactured (mobile) home, where not prohibited
by state or local codes.
This appliance is only for use with the type of gas
indicated on the Rating Plate. This appliance is not
convertible for use with other gases.
*Aftermarket: Completion of sale, not for purpose of resale, from the
manufacturer.
Accessories
#2960 FK28 Fan Kit
IMT Optional Wall Thermostat
MRC1 ZC1100 Remote Control (ON/OFF w/batteries)
MRC2 ZC1200 Remote Control (ON/OFF thermostat
w/batteries)
MRC3 ZC1300 Remote Control (LCD ON/OFF
thermostat, timer w/batteries)